Dr Fonarow reports consulting for Abbott, Amgen, AstraZeneca, Bayer, Boehringer Ingelheim, Cytokinetics, Eli Lilly, Johnson & Johnson, Medtronic, Merck, Novartis, and Pfizer. Dr Greene has received research support from the American Heart Association, Amgen, AstraZeneca, Bayer, Boehringer Ingelheim, Bristol Myers Squibb, Cytokinetics, Merck, Novartis, Otsuka, Pfizer, and Sanofi; has served on advisory boards or as consultant for Amgen, AstraZeneca, Bayer, Boehringer Ingelheim, Bristol Myers Squibb, Chugai, Corcept Therapeutics, Corteria Pharmaceuticals, CSL Vifor, Cytokinetics, Idorsia, Lexicon, Lilly, Merck, Novo Nordisk, Otsuka, Recordati, Roche Diagnostics, Sanofi, scPharmaceuticals, Sumitomo, Tricog Health, and Viatris; and has received speaker fees from AstraZeneca, Bayer, Boehringer Ingelheim, Cytokinetics, Lexicon, Novo Nordisk, and Roche Diagnostics. The other author reports no conflicts.